fix(files_versions): Update unencrypted_size during rollback

This prevent restored version of encrypted files from having a wrong reported size. This was blocking download.

Signed-off-by: Louis Chemineau <louis@chmn.me>

Author: artonge

apps/files_versions/lib/Storage.php

@@ -375,7 +375,8 @@ public static function rollback(string $file, int $revision, IUser $user) {
 			$fileInfo->getId(), [
 				'encrypted' => $oldVersion,
 				'encryptedVersion' => $oldVersion,
-				'size' => $oldFileInfo->getSize()
+				'size' => $oldFileInfo->getData()['size'],
+				'unencrypted_size' => $oldFileInfo->getData()['unencrypted_size'],
 			]
 		);